Question

Finding a limit of a rational function when the function isnt moving towards 0

score 211 · Answer 1 · 2021-01-29 13:01:58

211

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Finding a limit of a rational function when the function isnt moving towards 0

Published on 29 Jan 2021 - 13:01

score 48 · Answer 2 · 2021-02-06 12:00:32

48

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is $ f(x,y) = \frac{y^2}{x}$ continuous at $\begin{pmatrix} x \\ y \end{pmatrix} = 0$?

Published on 06 Feb 2021 - 12:00

score 353 · Answer 3 · 2021-02-06 14:42:15

353

Views

Show that $f(x,y) = \frac{x^2y^2}{x^2+y^2}$ is (totally) differentiable

Published on 06 Feb 2021 - 14:42

score 85 · Answer 4 · 2026-03-28 20:55:56

85

Views

Substitution with Möbius Transformation and polynomial whose leading coefficient disappears after substitution

Published on 28 Mar 2026 - 20:55

score 73 · Answer 5 · 2026-03-26 09:17:54

73

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Equivalence between the definitions of birationally trivial variety

Published on 26 Mar 2026 - 9:17

score 120 · Answer 6 · 2021-02-13 06:56:18

120

Views

Prove that $\max_x \frac{(x^Tv)^2}{x^TBx}=v^TB^{-1}v$

Published on 13 Feb 2021 - 6:56

score 299 · Answer 7 · 2021-02-14 09:09:43

299

Views

A continuous function from $\Bbb Q$ into $\Bbb Q$ which is never a rational function

Published on 14 Feb 2021 - 9:09

score 69 · Answer 8 · 2021-02-16 03:15:52

69

Views

Galois group of polynomial over rational functions

Published on 16 Feb 2021 - 3:15

score 43 · Answer 9 · 2026-03-26 09:16:30

43

Views

Birational self-maps of spheres

Published on 26 Mar 2026 - 9:16

score 119 · Answer 10 · 2021-02-21 18:45:22

119

Views

What is the antiderivative of one over an arbitrary polynomial?

Published on 21 Feb 2021 - 18:45

score 338 · Answer 11 · 2021-03-03 23:13:36

338

Views

How do you find the domain and range of a rational function(or any other function) using Calculus

Published on 03 Mar 2021 - 23:13

score 69 · Answer 12 · 2021-03-10 18:21:37

69

Views

Use $\varepsilon$-$\delta$ to prove $\lim_{x\to 1} \frac{1}{x^2} = 1$

Published on 10 Mar 2021 - 18:21

score 85 · Answer 13 · 2021-03-13 01:21:51

85

Views

Is there a way to write $1/(x-y) = f(x) g(y)$?

Published on 13 Mar 2021 - 1:21

score 681 · Answer 14 · 2021-03-17 20:55:05

681

Views

Determine the exact point(s) of intersection between f(x)=x^2-x-13 and it’s reciprocal function

Published on 17 Mar 2021 - 20:55

score 28 · Answer 15 · 2021-03-22 22:41:20

28

Views

Question on domain and ranges.

Published on 22 Mar 2021 - 22:41

List Question

Finding a limit of a rational function when the function isnt moving towards 0

is $ f(x,y) = \frac{y^2}{x}$ continuous at $\begin{pmatrix} x \\ y \end{pmatrix} = 0$?

Show that $f(x,y) = \frac{x^2y^2}{x^2+y^2}$ is (totally) differentiable

Substitution with Möbius Transformation and polynomial whose leading coefficient disappears after substitution

Equivalence between the definitions of birationally trivial variety

Prove that $\max_x \frac{(x^Tv)^2}{x^TBx}=v^TB^{-1}v$

A continuous function from $\Bbb Q$ into $\Bbb Q$ which is never a rational function

Galois group of polynomial over rational functions

Birational self-maps of spheres

What is the antiderivative of one over an arbitrary polynomial?

How do you find the domain and range of a rational function(or any other function) using Calculus

Use $\varepsilon$-$\delta$ to prove $\lim_{x\to 1} \frac{1}{x^2} = 1$

Is there a way to write $1/(x-y) = f(x) g(y)$?

Determine the exact point(s) of intersection between f(x)=x^2-x-13 and it’s reciprocal function

Question on domain and ranges.

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